(written from a Production point of view)
Sayour was the stunt coordinator and stunt double for Tom Welling in almost every episode of the television series Smallville (which starred John Glover) and was seriously injured with multiple fractures and internal injuries in 2005 while he performed a high fall stunt as Welling's stunt double. Sayour recovered and is still working as stuntman and stunt coordinator.
On his resume are films such as Batman & Robin (1997, with John Glover, Alex Daniels, Steve Blalock, Mark Chadwick, and Paul Sklar), Three Kings (1999), How the Grinch Stole Christmas (2000), The Time Machine (2002), I, Robot (2004, with James Cromwell), Edison (2005), and The Fog (2005, with stunts by Lauro Chartrand). He has also performed in television series such as Stargate SG-1 (2003-2004, with Robert Picardo and Saul Rubinek).